diff --git a/dataSource/relational/src/main/java/cn/edu/tsinghua/iginx/relational/RelationalStorage.java b/dataSource/relational/src/main/java/cn/edu/tsinghua/iginx/relational/RelationalStorage.java
index db3ecc325a..ddc56abf8d 100644
--- a/dataSource/relational/src/main/java/cn/edu/tsinghua/iginx/relational/RelationalStorage.java
+++ b/dataSource/relational/src/main/java/cn/edu/tsinghua/iginx/relational/RelationalStorage.java
@@ -1753,18 +1753,18 @@ private TaskExecuteResult executeProjectDummyWithFilter(Project project, Filter
         if (!filter.toString().contains("*")
             && !(tableNameToColumnNames.size() > 1
                 && filterContainsType(Arrays.asList(FilterType.Value, FilterType.Path), filter))) {
-          Filter expandFilter = expandFilter(filter.copy(), tableNameToColumnNames);
+          Filter expandFilter =
+              expandFilter(
+                  cutFilterDatabaseNameForDummy(filter.copy(), databaseName),
+                  tableNameToColumnNames);
           for (Map.Entry<String, String> entry : splitEntry.getValue().entrySet()) {
             String tableName = entry.getKey();
             String fullQuotColumnNames = getQuotColumnNames(entry.getValue());
             List<String> fullPathList = Arrays.asList(entry.getValue().split(", "));
-            fullPathList.replaceAll(
-                s -> RelationSchema.getQuoteFullName(tableName, s, relationalMeta.getQuote()));
+            fullPathList.replaceAll(s -> RelationSchema.getFullName(tableName, s));
             String filterStr =
                 filterTransformer.toString(
-                    dummyFilterSetTrueByColumnNames(
-                        cutFilterDatabaseNameForDummy(expandFilter.copy(), databaseName),
-                        fullPathList));
+                    dummyFilterSetTrueByColumnNames(expandFilter.copy(), fullPathList));
             String concatKey = buildConcat(fullPathList);
             statement =
                 String.format(
diff --git a/dataSource/relational/src/main/java/cn/edu/tsinghua/iginx/relational/query/entity/RelationQueryRowStream.java b/dataSource/relational/src/main/java/cn/edu/tsinghua/iginx/relational/query/entity/RelationQueryRowStream.java
index 47266c87f3..95ec11070a 100644
--- a/dataSource/relational/src/main/java/cn/edu/tsinghua/iginx/relational/query/entity/RelationQueryRowStream.java
+++ b/dataSource/relational/src/main/java/cn/edu/tsinghua/iginx/relational/query/entity/RelationQueryRowStream.java
@@ -148,9 +148,9 @@ public RelationQueryRowStream(
     this.fieldToColumnName = new HashMap<>();
     this.resultSetHasColumnWithTheSameName = new ArrayList<>();
 
-    needFilter = (!isAgg && resultSets.size() != 1);
+    needFilter = !isAgg && resultSets.size() != 1;
     Set<FilterType> filterTypes = FilterUtils.getFilterType(filter);
-    needFilter |= filterTypes.contains(FilterType.Bool) || filterTypes.contains(FilterType.Expr);
+    needFilter |= filterTypes.contains(FilterType.Expr);
 
     for (int i = 0; i < resultSets.size(); i++) {
       ResultSetMetaData resultSetMetaData = resultSets.get(i).getMetaData();